{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "process parameter", "biomedical", "concept or principle", "process characterization"], "input": "All of the above process categories have a means in which to arrive at a metal part ."}
{"material": ["metal"], "process parameter": [], "biomedical": [], "concept or principle": ["process"], "process characterization": []}